Candelilla,Euphorbia antisyphilitica,was once thought to produce a drug useful in treating syphilis. Photograph taken in the Chihuahuan Desert,Big Bend National Park,Texas,March 2004 | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Dimijian, Gregory G. |
Taille de l’image : | 2460 px × 3700 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : |
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